Python program to convert float to exponential (original) (raw)
Last Updated : 26 Oct, 2021
Given a float number, the task is to write a Python program to convert float to exponential.
Examples:
Input: 19.0 Output: 1.900000e+01
Input: 200.2 Output: 2.002000e+02
Input: 1101.02 Output: 1.101020e+03
Approach:
- We will first declare and initialise a float number.
- Then we will use format method to convert the number from integer to exponential type.
- Then we will print the converted value.
Syntax:
String {field_name:conversion} Example.format(value)
Errors and Exceptions:
ValueError: Error occurs during type conversion in this method.
More parameters can be included within the curly braces of our syntax. Use the format code syntax {field_name: conversion}, where field_name specifies the index number of the argument to the str.format() method, and conversion refers to the conversion code of the data type.
Example:
Python3
float_number = 1101.02
exp_number = "{:e}" . format (float_number)
print ( "Float Number:" ,float_number)
print ( "Exponent Number:" ,exp_number)
Output:
Float Number: 1101.02 Exponent Number: 1.101020e+03
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